MIL-L-52190C, MILITARY SPECIFICATION: LIGHTS MARKER, GROUND OBSTRUCTION, EMERGENCY, ROADWAY AND AIRFIELD (17-MAR-1983) [NO S/S DOCUMENT]

MIL-L-52190C, MILITARY SPECIFICATION: LIGHTS MARKER, GROUND OBSTRUCTION, EMERGENCY, ROADWAY AND AIRFIELD (17-MAR-1983) [NO S/S DOCUMENT]., This specification covers electric lights for emergency use on roadways and airfields. The lights are self-contained, having five dry cells of the Leclanche type and a glass vial of electrolyte.